<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 *
 * @version $Id: tbl_operations.php 11027 2007-12-30 20:59:57Z lem9 $
 */

/**
 *
 */
require_once './libraries/common.inc.php';
require_once './libraries/Table.class.php';

$pma_table = new PMA_Table($GLOBALS['table'], $GLOBALS['db']);

/**
 * Runs common work
 */
require './libraries/tbl_common.php';
$url_query .= '&amp;goto=tbl_operations.php&amp;back=tbl_operations.php';
$url_params['goto'] = $url_params['back'] = 'tbl_operations.php';

/**
 * Gets relation settings
 */
require_once './libraries/relation.lib.php';
$cfgRelation = PMA_getRelationsParam();

/**
 * Gets available MySQL charsets and storage engines
 */
require_once './libraries/mysql_charsets.lib.php';
require_once './libraries/StorageEngine.class.php';

// reselect current db (needed in some cases probably due to
// the calling of relation.lib.php)
PMA_DBI_select_db($GLOBALS['db']);

/**
 * Gets tables informations
 */

require './libraries/tbl_info.inc.php';

$reread_info = false;
$errors = array();
$table_alters = array();

/**
 * Updates table comment, type and options if required
 */
if (isset($_REQUEST['submitoptions'])) {
	$message = '';
	if (isset($_REQUEST['new_name'])) {
		if ($pma_table->rename($_REQUEST['new_name'])) {
			$message .= $pma_table->getLastMessage();
			$GLOBALS['table'] = $pma_table->getName();;
			$reread_info = true;
			$reload = true;
		} else {
			$errors[] = $pma_table->getLastError();
			$message .= $pma_table->getLastError();
		}
	}
	if (isset($_REQUEST['comment'])
	  && urldecode($_REQUEST['prev_comment']) !== $_REQUEST['comment']) {
		$table_alters[] = 'COMMENT = \'' . PMA_sqlAddslashes($_REQUEST['comment']) . '\'';
	}
	if (! empty($_REQUEST['new_tbl_type'])
	  && strtolower($_REQUEST['new_tbl_type']) !== strtolower($tbl_type)) {
		$table_alters[] = PMA_ENGINE_KEYWORD . ' = ' . $_REQUEST['new_tbl_type'];
		$tbl_type = $_REQUEST['new_tbl_type'];
	}

	if (! empty($_REQUEST['tbl_collation'])
	  && $_REQUEST['tbl_collation'] !== $tbl_collation) {
		$table_alters[] = 'DEFAULT ' . PMA_generateCharsetQueryPart($_REQUEST['tbl_collation']);
	}

	$l_tbl_type = strtolower($tbl_type);

	if (($l_tbl_type === 'myisam' || $l_tbl_type === 'isam')
	  && isset($_REQUEST['new_pack_keys'])
	  && $_REQUEST['new_pack_keys'] != (string)$pack_keys) {
		$table_alters[] = 'pack_keys = ' . $_REQUEST['new_pack_keys'];
	}

	$checksum = empty($checksum) ? '0' : '1';
	$_REQUEST['new_checksum'] = empty($_REQUEST['new_checksum']) ? '0' : '1';
	if (($l_tbl_type === 'myisam')
	  && $_REQUEST['new_checksum'] !== $checksum) {
		$table_alters[] = 'checksum = ' . $_REQUEST['new_checksum'];
	}

	$delay_key_write = empty($delay_key_write) ? '0' : '1';
	$_REQUEST['new_delay_key_write'] = empty($_REQUEST['new_delay_key_write']) ? '0' : '1';
	if (($l_tbl_type === 'myisam')
	  && $_REQUEST['new_delay_key_write'] !== $delay_key_write) {
		$table_alters[] = 'delay_key_write = ' . $_REQUEST['new_delay_key_write'];
	}

	if (($l_tbl_type === 'myisam' || $l_tbl_type === 'innodb')
	  &&  ! empty($_REQUEST['new_auto_increment'])
	  && (! isset($auto_increment) || $_REQUEST['new_auto_increment'] !== $auto_increment)) {
		$table_alters[] = 'auto_increment = ' . PMA_sqlAddslashes($_REQUEST['new_auto_increment']);
	}

	if (count($table_alters) > 0) {
		$sql_query	  = 'ALTER TABLE ' . PMA_backquote($GLOBALS['table']);
		$sql_query	 .= "\r\n" . implode("\r\n", $table_alters);
		$message		.= PMA_DBI_query($sql_query) ? $strSuccess : $strError;
		$reread_info	= true;
		unset($table_alters);
	}
}
/**
 * Reordering the table has been requested by the user
 */
if (isset($_REQUEST['submitorderby']) && ! empty($_REQUEST['order_field'])) {
	$sql_query = '
		ALTER TABLE ' . PMA_backquote($GLOBALS['table']) . '
		ORDER BY ' . PMA_backquote(urldecode($_REQUEST['order_field']));
	if (isset($_REQUEST['order_order']) && $_REQUEST['order_order'] === 'desc') {
		$sql_query .= ' DESC';
	}
	$message = PMA_DBI_query($sql_query) ? $strSuccess : $strError;
} // end if


if ($reread_info) {
	$checksum = $delay_key_write = 0;
	require './libraries/tbl_info.inc.php';
}
unset($reread_info);

/**
 * Displays top menu links
 */
require_once './libraries/tbl_links.inc.php';

$url_params['goto'] = 'tbl_operations.php';
$url_params['back'] = 'tbl_operations.php';

/**
 * Get columns names
 */
$local_query = '
	SHOW COLUMNS
	FROM ' . PMA_backquote($GLOBALS['table']) . '
	FROM ' . PMA_backquote($GLOBALS['db']);
$columns = PMA_DBI_fetch_result($local_query, null, 'Field');
unset($local_query);

/**
 * Displays the page
 */
?>
<!-- Order the table -->
<div id="div_table_order">
<form method="post" action="tbl_operations.php">
<?php echo PMA_generate_common_hidden_inputs($GLOBALS['db'], $GLOBALS['table']); ?>
<fieldset id="fieldset_table_order">
	<legend><?php echo $strAlterOrderBy; ?></legend>
	<select name="order_field">
<?php
foreach ($columns as $fieldname) {
	echo '			<option value="' . htmlspecialchars($fieldname) . '">'
		. htmlspecialchars($fieldname) . '</option>' . "\n";
}
unset($columns);
?>
	</select> <?php echo $strSingly; ?>
	<select name="order_order">
		<option value="asc"><?php echo $strAscending; ?></option>
		<option value="desc"><?php echo $strDescending; ?></option>
	</select>
	<input type="submit" name="submitorderby" value="<?php echo $strGo; ?>" />
</fieldset>
</form>
</div>

<!-- Move table -->
<div id="div_table_rename">
<form method="post" action="tbl_move_copy.php"
	onsubmit="return emptyFormElements(this, 'new_name')">
<?php echo PMA_generate_common_hidden_inputs($GLOBALS['db'], $GLOBALS['table']); ?>
<input type="hidden" name="reload" value="1" />
<input type="hidden" name="what" value="data" />
<fieldset id="fieldset_table_rename">
	<legend><?php echo $strMoveTable; ?></legend>
<?php if ($GLOBALS['PMA_List_Database']->count() > $GLOBALS['cfg']['MaxDbList']) {
?>
	<input type="text" maxlength="100" size="30" name="target_db" value="<?php echo htmlspecialchars($GLOBALS['db']); ?>"/>
<?php
	} else {
?>
	<select name="target_db">
		<?php echo $GLOBALS['PMA_List_Database']->getHtmlOptions(true, false); ?>
	</select>
<?php 
	} // end if
?>
	&nbsp;<b>.</b>&nbsp;
	<input type="text" size="20" name="new_name" onfocus="this.select()"
value="<?php echo htmlspecialchars($GLOBALS['table']); ?>" /><br />
	<?php
	// starting with MySQL 5.0.24, SHOW CREATE TABLE includes the AUTO_INCREMENT
	// next value but users can decide if they want it or not for the operation
	?>
	<input type="checkbox" name="sql_auto_increment" value="1" id="checkbox_auto_increment_mv" checked="checked" />
	<label for="checkbox_auto_increment_mv"><?php echo $strAddAutoIncrement; ?></label><br />
</fieldset>
<fieldset class="tblFooters">
	<input type="submit" name="submit_move" value="<?php echo $strGo; ?>" />
</fieldset>
</form>
</div>

<?php
if (strstr($show_comment, '; InnoDB free') === false) {
	if (strstr($show_comment, 'InnoDB free') === false) {
		// only user entered comment
		$comment = $show_comment;
	} else {
		// here we have just InnoDB generated part
		$comment = '';
	}
} else {
	// remove InnoDB comment from end, just the minimal part (*? is non greedy)
	$comment = preg_replace('@; InnoDB free:.*?$@', '', $show_comment);
}

// PACK_KEYS: MyISAM or ISAM
// DELAY_KEY_WRITE, CHECKSUM, : MyISAM only
// AUTO_INCREMENT: MyISAM and InnoDB since 5.0.3

// nijel: Here should be version check for InnoDB, however it is supported
// in >5.0.4, >4.1.12 and >4.0.11, so I decided not to
// check for version
?>

<!-- Table options -->
<div id="div_table_options">
<form method="post" action="tbl_operations.php">
<?php echo PMA_generate_common_hidden_inputs($GLOBALS['db'], $GLOBALS['table']); ?>
<input type="hidden" name="reload" value="1" />
<fieldset>
	<legend><?php echo $strTableOptions; ?></legend>

	<table>
	<!-- Change table name -->
	<tr><td><?php echo $strRenameTable; ?></td>
		<td><input type="text" size="20" name="new_name" onfocus="this.select()"
				value="<?php echo htmlspecialchars($GLOBALS['table']); ?>" />
		</td>
	</tr>

	<!-- Table comments -->
	<tr><td><?php echo $strTableComments; ?></td>
		<td><input type="text" name="comment" maxlength="60" size="30"
				value="<?php echo htmlspecialchars($comment); ?>" onfocus="this.select()" />
			<input type="hidden" name="prev_comment" value="<?php echo urlencode($comment); ?>" />
		</td>
	</tr>

	<!-- Storage engine -->
	<tr><td><?php echo $strStorageEngine; ?>
			<?php echo PMA_showMySQLDocu('Storage_engines', 'Storage_engines'); ?>
		</td>
		<td><?php echo PMA_StorageEngine::getHtmlSelect('new_tbl_type', null, $tbl_type); ?>
		</td>
	</tr>

<?php
if (PMA_MYSQL_INT_VERSION >= 40100) {
	?>
	<!-- Table character set -->
	<tr><td><?php echo $strCollation; ?></td>
		<td><?php echo PMA_generateCharsetDropdownBox(PMA_CSDROPDOWN_COLLATION,
				'tbl_collation', null, $tbl_collation, false, 3); ?>
		</td>
	</tr>
	<?php
}
if ($tbl_type == 'MYISAM' || $tbl_type == 'ISAM') {
	?>
	<tr>
		<td><label for="new_pack_keys">pack_keys</label></td>
		<td><select name="new_pack_keys" id="new_pack_keys">
				<option value="DEFAULT"
					<?php if ($pack_keys == 'DEFAULT') echo 'selected="selected"'; ?>
					>DEFAULT</option>
				<option value="0"
					<?php if ($pack_keys == '0') echo 'selected="selected"'; ?>
					>0</option>
				<option value="1"
					<?php if ($pack_keys == '1') echo 'selected="selected"'; ?>
					>1</option>
			</select>
		</td>
	</tr>
	<?php
} // end if (MYISAM|ISAM)

if ($tbl_type == 'MYISAM') {
	?>
	<tr><td><label for="new_checksum">checksum</label></td>
		<td><input type="checkbox" name="new_checksum" id="new_checksum"
				value="1"
	<?php echo (isset($checksum) && $checksum == 1)
		? ' checked="checked"'
		: ''; ?> />
		</td>
	</tr>

	<tr><td><label for="new_delay_key_write">delay_key_write</label></td>
		<td><input type="checkbox" name="new_delay_key_write" id="new_delay_key_write"
				value="1"
	<?php echo (isset($delay_key_write) && $delay_key_write == 1)
		? ' checked="checked"'
		: ''; ?> />
		</td>
	</tr>

	<?php
} // end if (MYISAM)

if (isset($auto_increment) && strlen($auto_increment) > 0
  && ($tbl_type == 'MYISAM' || $tbl_type == 'INNODB')) {
	?>
	<tr><td><label for="auto_increment_opt">auto_increment</label></td>
		<td><input type="text" name="new_auto_increment" id="auto_increment_opt"
				value="<?php echo $auto_increment; ?>" /></td>
	</tr>
	<?php
} // end if (MYISAM|INNODB)
?>
	</table>
</fieldset>
<fieldset class="tblFooters">
		<input type="submit" name="submitoptions" value="<?php echo $strGo; ?>" />
</fieldset>
</form>
</div>

<!-- Copy table -->
<div id="div_table_copy">
<form method="post" action="tbl_move_copy.php"
	onsubmit="return emptyFormElements(this, 'new_name')">
<?php echo PMA_generate_common_hidden_inputs($GLOBALS['db'], $GLOBALS['table']); ?>
<input type="hidden" name="reload" value="1" />
<fieldset>
	<legend><?php echo $strCopyTable; ?></legend>
<?php if ($GLOBALS['PMA_List_Database']->count() > $GLOBALS['cfg']['MaxDbList']) {
?>
	<input type="text" maxlength="100" size="30" name="target_db" value="<?php echo htmlspecialchars($GLOBALS['db']); ?>"/>
<?php
	} else {
?>
	<select name="target_db">
		<?php echo $GLOBALS['PMA_List_Database']->getHtmlOptions(true, false); ?>
	</select>
<?php 
	} // end if
?>
	&nbsp;<b>.</b>&nbsp;
	<input type="text" size="20" name="new_name" onfocus="this.select()" /><br />

	<input type="radio" name="what" value="structure" id="radio_copy_structure" />
	<label for="radio_copy_structure"><?php echo $strStrucOnly; ?></label><br />
	<input type="radio" name="what" value="data" id="radio_copy_data" checked="checked" />
	<label for="radio_copy_data"><?php echo $strStrucData; ?></label><br />
	<input type="radio" name="what" value="dataonly" id="radio_copy_dataonly" />
	<label for="radio_copy_dataonly"><?php echo $strDataOnly; ?></label><br />

	<input type="checkbox" name="drop_if_exists" value="true" id="checkbox_drop" />
	<label for="checkbox_drop"><?php echo sprintf($strAddClause, 'DROP TABLE'); ?></label><br />
	<input type="checkbox" name="sql_auto_increment" value="1" id="checkbox_auto_increment_cp" />
	<label for="checkbox_auto_increment_cp"><?php echo $strAddAutoIncrement; ?></label><br />
	<?php
		// display "Add constraints" choice only if there are
		// foreign keys
		if (PMA_getForeigners($GLOBALS['db'], $GLOBALS['table'], '', 'innodb')) {
		?>
	<input type="checkbox" name="add_constraints" value="1" id="checkbox_constraints" />
	<label for="checkbox_constraints"><?php echo $strAddConstraints; ?></label><br />
		<?php
		} // endif
		if (isset($_COOKIE['pma_switch_to_new'])
		  && $_COOKIE['pma_switch_to_new'] == 'true') {
			$pma_switch_to_new = 'true';
		}
	?>
	<input type="checkbox" name="switch_to_new" value="true"
		id="checkbox_switch"<?php echo
			isset($pma_switch_to_new) && $pma_switch_to_new == 'true'
			? ' checked="checked"'
			: ''; ?> />
	<label for="checkbox_switch"><?php echo $strSwitchToTable; ?></label>
</fieldset>
<fieldset class="tblFooters">
	<input type="submit" name="submit_copy" value="<?php echo $strGo; ?>" />
</fieldset>
</form>
</div>

<br class="clearfloat"/>

<h1><?php echo $strTableMaintenance; ?></h1>

<ul>
<?php
if ($tbl_type == 'MYISAM' || $tbl_type == 'BERKELEYDB' || $tbl_type == 'INNODB') {
	if ($tbl_type == 'MYISAM' || $tbl_type == 'INNODB') {
		$this_url_params = array_merge($url_params,
			array('sql_query' => 'CHECK TABLE ' . PMA_backquote($GLOBALS['table'])));
		?>
	<li><a href="sql.php<?php echo PMA_generate_common_url($this_url_params); ?>">
			<?php echo $strCheckTable; ?></a>
		<?php echo PMA_showMySQLDocu('MySQL_Database_Administration', 'CHECK_TABLE'); ?>
	</li>
		<?php
	}
	if ($tbl_type == 'INNODB') {
		$this_url_params = array_merge($url_params,
			array('sql_query' => 'ALTER TABLE ' . PMA_backquote($GLOBALS['table']) . ' ' . PMA_ENGINE_KEYWORD . '=InnoDB'));
		?>
	<li><a href="sql.php<?php echo PMA_generate_common_url($this_url_params); ?>">
			<?php echo $strDefragment; ?></a>
		<?php echo PMA_showMySQLDocu('Table_types', 'InnoDB_File_Defragmenting'); ?>
	</li>
		<?php
	}
	if ($tbl_type == 'MYISAM' || $tbl_type == 'BERKELEYDB') {
		$this_url_params = array_merge($url_params,
			array('sql_query' => 'ANALYZE TABLE ' . PMA_backquote($GLOBALS['table'])));
		?>
	<li><a href="sql.php<?php echo PMA_generate_common_url($this_url_params); ?>">
			<?php echo $strAnalyzeTable; ?></a>
		<?php echo PMA_showMySQLDocu('MySQL_Database_Administration', 'ANALYZE_TABLE');?>
	</li>
		<?php
	}
	if ($tbl_type == 'MYISAM') {
		$this_url_params = array_merge($url_params,
			array('sql_query' => 'REPAIR TABLE ' . PMA_backquote($GLOBALS['table'])));
		?>
	<li><a href="sql.php<?php echo PMA_generate_common_url($this_url_params); ?>">
			<?php echo $strRepairTable; ?></a>
		<?php echo PMA_showMySQLDocu('MySQL_Database_Administration', 'REPAIR_TABLE'); ?>
	</li>
		<?php
	}
	if ($tbl_type == 'MYISAM' || $tbl_type == 'BERKELEYDB' || $tbl_type == 'INNODB') {
		$this_url_params = array_merge($url_params,
			array('sql_query' => 'OPTIMIZE TABLE ' . PMA_backquote($GLOBALS['table'])));
		?>
	<li><a href="sql.php<?php echo PMA_generate_common_url($this_url_params); ?>">
			<?php echo $strOptimizeTable; ?></a>
		<?php echo PMA_showMySQLDocu('MySQL_Database_Administration', 'OPTIMIZE_TABLE'); ?>
	</li>
		<?php
	}
} // end MYISAM or BERKELEYDB case
$this_url_params = array_merge($url_params,
	array(
		'sql_query' => 'FLUSH TABLE ' . PMA_backquote($GLOBALS['table']),
		'zero_rows' => sprintf($strTableHasBeenFlushed,
			htmlspecialchars($GLOBALS['table'])),
		'reload'	=> 1,
		));
?>
	<li><a href="sql.php<?php echo PMA_generate_common_url($this_url_params); ?>">
			<?php echo $strFlushTable; ?></a>
		<?php echo PMA_showMySQLDocu('MySQL_Database_Administration', 'FLUSH'); ?>
	</li>
</ul>
<?php
// Referential integrity check
// The Referential integrity check was intended for the non-InnoDB
// tables for which the relations are defined in pmadb
// so I assume that if the current table is InnoDB, I don't display
// this choice (InnoDB maintains integrity by itself)

if ($cfgRelation['relwork'] && $tbl_type != "INNODB") {

	// we need this PMA_DBI_select_db if the user has access to more than one db
	// and $GLOBALS['db'] is not the last of the list, because
	// PMA_List_Database::_checkAccess()
	// has made a PMA_DBI_select_db() on the last one
	PMA_DBI_select_db($GLOBALS['db']);
	$foreign = PMA_getForeigners($GLOBALS['db'], $GLOBALS['table']);

	if ($foreign) {
		?>
	<!-- Referential integrity check -->
	<ul>
		<?php echo $strReferentialIntegrity; ?><br />
		<?php
		echo "\n";
		foreach ($foreign AS $master => $arr) {
			$join_query  = 'SELECT ' . PMA_backquote($GLOBALS['table']) . '.* FROM '
						 . PMA_backquote($GLOBALS['table']) . ' LEFT JOIN '
						 . PMA_backquote($arr['foreign_table']);
			if ($arr['foreign_table'] == $GLOBALS['table']) {
				$foreign_table = $GLOBALS['table'] . '1';
				$join_query .= ' AS ' . PMA_backquote($foreign_table);
			} else {
				$foreign_table = $arr['foreign_table'];
			}
			$join_query .= ' ON '
						 . PMA_backquote($GLOBALS['table']) . '.' . PMA_backquote($master)
						 . ' = ' . PMA_backquote($foreign_table) . '.' . PMA_backquote($arr['foreign_field'])
						 . ' WHERE '
						 . PMA_backquote($foreign_table) . '.' . PMA_backquote($arr['foreign_field'])
						 . ' IS NULL AND '
						 . PMA_backquote($GLOBALS['table']) . '.' . PMA_backquote($master)
						 . ' IS NOT NULL';
			$this_url_params = array_merge($url_params,
				array('sql_query' => $join_query));
			echo '		<li>'
				 . '<a href="sql.php'
				 . PMA_generate_common_url($this_url_params)
				 . '">' . $master . '&nbsp;->&nbsp;' . $arr['foreign_table'] . '.' . $arr['foreign_field']
				 . '</a></li>' . "\n";
		} //  foreach $foreign
		unset($foreign_table, $join_query);
		?>
	</ul>
		<?php
	} // end if ($result)

} // end  if (!empty($cfg['Server']['relation']))


/**
 * Displays the footer
 */
require_once './libraries/footer.inc.php';
?>
